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The First Prospectors
April 2002 by Dr. Ralph E. Pray
Who were the earliest prospectors in the Western Hemisphere? Is there any way to tell?Additional articles that might interest you...
China Ups Investment in Foreign Minerals
March 2005
Direct investment overseas by Chinese companies rose 27 percent over a year earlier to $3.6 billion in 2004, highlighting the country’s growing economic influence, the government reported.
Direct investment overseas by Chinese companies rose 27 percent over a year earlier to $3.6 billion in 2004, highlighting the country’s growing economic influence, the government reported.
Sniping for Gold—The Next Best Thing to Dredging
October 2020
I poked my head out of the water and said, “You won’t believe what I am going to show you!”
Search for the Legendary Sierra Azul
June 2001
One of the most unique mining stories to derive from the days of the Spanish conquest of the Southwest is the legendary story of the Sierra Azul, or “Blue Mountain” of Arizona. The first reports of what some historians maintain is nothing more than mere myth, came in the middle of the seventeenth century, and it survived as a frontier tradition into the nineteenth century.
One of the most unique mining stories to derive from the days of the Spanish conquest of the Southwest is the legendary story of the Sierra Azul, or “Blue Mountain” of Arizona. The first reports of what some historians maintain is nothing more than mere myth, came in the middle of the seventeenth century, and it survived as a frontier tradition into the nineteenth century.
Golden Age of Gold Dredges
June 2002
Over one hundred years ago, gold mining in California saw a radically new method tried out in the major rivers of the Central Valley. Large gold dredges floated lazily but noisily on the waters, bringing up the rich gravel from deep below. With none of today’s environmental restrictions on such methods, the landscape was reworked into a maze of patterns along the rivers.
Over one hundred years ago, gold mining in California saw a radically new method tried out in the major rivers of the Central Valley. Large gold dredges floated lazily but noisily on the waters, bringing up the rich gravel from deep below. With none of today’s environmental restrictions on such methods, the landscape was reworked into a maze of patterns along the rivers.
Corralling Those Pesky Platinum Group Metals
June 2005
Some assay beads disappear, collapse, hide under the surface, or spread out flat while being cupelled, just as the last tiny bit of liquid litharge is driven off. This is especially true of platinum, iridium and osmium, when attempting to re-bead the filtered residue from a parted bead.
Some assay beads disappear, collapse, hide under the surface, or spread out flat while being cupelled, just as the last tiny bit of liquid litharge is driven off. This is especially true of platinum, iridium and osmium, when attempting to re-bead the filtered residue from a parted bead.
The Bawl Mill
September 2021
• Muzzle puzzle
• America’s loss is China’s gain
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